TrueScaleAudio

Compare speakers at true scale

Pick two speakers and see them side by side at their real-world size.

Speaker A
Speaker B
References

Front view — side by side at true scale

AT+A Solitaire S 430BBowers & Wilkins 803 D4
T+A Solitaire S 430 front view
Bowers & Wilkins 803 D4 front view

Click either cabinet to swap A ↔ B · Reference height: 1180 mm (118.0 cm) · 1 mm = 0.47 px

T+A Solitaire S 430vsBowers & Wilkins 803 D4

The T+A Solitaire S 430 stands 118.0 cm tall — about 1.5 cm more than the Bowers & Wilkins 803 D4 at 116.5 cm. On footprint the Bowers & Wilkins 803 D4 is the wider cabinet (33.8 cm versus 26.0 cm). At 90 dB against 86 dB, the Bowers & Wilkins 803 D4 is the easier load to drive and plays louder from the same amplifier. The Bowers & Wilkins 803 D4 reaches deeper in the bass, down to 19 Hz versus 29 Hz. Low frequencies come from a 220 mm cone on the T+A Solitaire S 430 and a 180 mm cone on the Bowers & Wilkins 803 D4. Both land in a similar price bracket, around $28,450 a pair.

Specifications

AB
ManufacturerT+ABowers & Wilkins
ModelSolitaire S 430803 D4 D4
HiFi ladder position#192 of 276 floorstander#178 of 276 floorstander
Height1180 mm1165 mm
Width260 mm338 mm
Depth440 mm511 mm
Weight55 kg62.15 kg
Enclosurebass-reflex-downbass-reflex-down
Drivers1× tweeter (magnetostat), 2× 150 mm midrange (aluminium), 2× 220 mm woofer (aluminium)1× 25 mm tweeter (diamond dome), 1× 130 mm midrange (Continuum cone with FST surround), 2× 180 mm woofer (Aerofoil cone)
Frequency — low29 Hz19 Hz
Frequency — high45000 Hz28000 Hz
Sensitivity86 dB90 dB
Impedance4 Ω8 Ω
Recommended amp50–500 W
MAP (USD)$29,900 / pair$27,000 / pair
Where to buyCheck availabilityCheck availability
Brand websiteta-hifi.debowerswilkins.com
Product pageOpen product pageOpen product page

Larger value highlighted in green. For low-frequency extension, lower Hz = greater bass reach, so the deeper side is highlighted.